Orlaigh Quinn sits in the bright glass Interpath conference room on John Rogerson’s Quay overlooking the Liffey in Dublin and jokes that the “senior” in her new senior advisory role with the professional services firm reflects her experience and not her age. Quinn is a veteran of public service, only the eighth woman to serve as secretary general of a government department when she was appointed in 2018. In Quinn’s case, it was the high-powered Department of Enterprise, Trade and Employment.  Since Quinn retired from the public sector in 2023, Interpath is just the latest of a number of bodies…